| | Weld, ME | Juneau, AK | United States |
| Population | 393 | 32,240 | 329,725,481 |
| Female Population | 42.5% | 49.1% | 50.5% |
| Male Population | 57.5% | 50.9% | 49.5% |
| Median Age | 64.6 | 38.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 418 | 31,387 | 309,327,143 |
| Population - 2000 | 402 | 30,711 | 285,036,114 |
| Population - 1990 | 430 | 26,751 | 251,960,433 |
| Pop. 2000 to Now | 3.7% | 3.7% | 15.6% |
| Pop. 1990 to Now | -3.0% | 19.1% | 30.8% |
| space4 | | | |
| Population Density | 6.6 | 11.9 | 93.4 |
| Land Area | 59.5 | 2,703.9 | 3,531,905.4 |
| Water Area | 3.4 | 550.8 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Weld, ME | Juneau, AK | United States |
| Age 0 to 4 | 2.5% | 5.5% | 5.9% |
| Age 5 to 9 | 1.5% | 6.0% | 6.1% |
| Age 10 to 14 | 0.0% | 5.9% | 6.6% |
| Age 15 to 17 | 2.0% | 3.5% | 3.9% |
| Age 18 to 20 | 0.0% | 3.5% | 4.0% |
| Age 21 to 24 | 0.5% | 4.8% | 5.2% |
| Age 25 to 34 | 7.6% | 15.9% | 13.8% |
| Age 35 to 44 | 5.3% | 13.6% | 12.9% |
| Age 45 to 54 | 10.2% | 13.1% | 12.6% |
| Age 55 to 59 | 10.7% | 7.6% | 6.7% |
| Age 60 to 64 | 12.5% | 6.8% | 6.3% |
| Age 65 to 74 | 19.1% | 9.5% | 9.6% |
| Age 75 to 84 | 24.4% | 3.4% | 4.5% |
| Age 85 and over | 3.6% | 0.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Weld, ME | Juneau, AK | United States |
| White | 100.0% | 62.5% | 59.4% |
| Black | 0.0% | 1.0% | 12.2% |
| Asian | 0.0% | 6.5% | 5.6% |
| Native American | 0.0% | 9.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 1.3% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 0.0% | 11.4% | 3.2% |
| Hispanic | 0.0% | 7.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Weld, ME | Juneau, AK | United States |
| Married Population | 70.6% | 49.5% | 49.8% |
| Currently Married | 70.6% | 47.4% | 48.0% |
| Married but Separated | 0.0% | 2.1% | 1.8% |
| Single Population | 29.4% | 50.5% | 50.2% |
| Never Married | 11.4% | 32.6% | 33.8% |
| Divorced | 11.7% | 12.7% | 10.8% |
| Widowed | 6.4% | 5.2% | 5.6% |
| space5 | | | |
| Household Size | 2.08 | 2.46 | 2.60 |
| Households | 189 | 12,922 | 124,010,992 |
| Family Households | 129 | 7,414 | 80,755,759 |
| Married couple, w/children | 4.7% | 34.9% | 30.5% |
| Married couple, no children | 80.6% | 42.2% | 42.9% |
| Non Family Households | 60 | 5,508 | 43,255,233 |
| Single householder, w/children | 7.8% | 13.1% | 15.8% |
| Single householder, no children | 7.0% | 9.8% | 10.8% |